import java.math.BigInteger;

/**
 * @Question demo2
 * @Date 2022/10/29 14:42
 * @Solution
 */
public class demo2 {
    public static void main(String[] args) {
        BigInteger i1 = new BigInteger("231231231232112312312312");
        BigInteger i2 = new BigInteger("131235231532424324242342");
        System.out.println(i1.add(i2));
        System.out.println(i1.subtract(i2));
        System.out.println(i1.multiply(i2));
        System.out.println(i2.divide(i2));
    }
}
